3292749920 has 72 divisors (see below), whose sum is σ = 8132258736. Its totient is φ = 1259802368.

The previous prime is 3292749919. The next prime is 3292749931. The reversal of 3292749920 is 299472923.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65189 + ... + 104091.

It is an arithmetic number, because the mean of its divisors is an integer number (112948038).

Almost surely, 2^3292749920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3292749920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4066129368).

3292749920 is an abundant number, since it is smaller than the sum of its proper divisors (4839508816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3292749920 is a wasteful number, since it uses less digits than its factorization.

3292749920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38964 (or 38933 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 3292749920 is about 57382.4879209677. The cubic root of 3292749920 is about 1487.7144545922.

The spelling of 3292749920 in words is "three billion, two hundred ninety-two million, seven hundred forty-nine thousand, nine hundred twenty".